Ensure your fly gets to the correct depth without sacrificing a quality presentation with Loon Outdoors Deep Soft Weight. Deep Soft Weight is a fish-friendly, non-lead reusable weight putty made with non-toxic tungsten that you simply place on your leader. Deep Soft Weight hardens when it hits the cold water and it will not crimp your tippet or hang up in rocks like split shot. Try Deep Soft Weight once and you'll never use anything else again. Ensures your fly gets to the proper depth Lead-free Non-toxic tungsten Tips for using Deep Soft Weight: On hot days you can place the container into the stream to firm up Deep Soft Weight to a desirable consistency. On cold days you can keep the container close to your body so it can remain pliable. Be sure not to leave the Deep Soft Weight on your leader after you are through fishing as it can warm up and stain vests or other articles. Stays put best when placed over a knot.